Re: [PATCH 1/3] hexagon: remove the sync_single_for_cpu DMA operation

2018-07-24 Thread Christoph Hellwig
On Tue, Jul 24, 2018 at 10:29:48PM -0500, Richard Kuo wrote: > Patch series looks good. Definitely appreciate the cleanup. > > I can take it through my tree, or if not: > > Acked-by: Richard Kuo Please take it through your tree, thanks!

Re: [PATCH 1/3] hexagon: remove the sync_single_for_cpu DMA operation

2018-07-24 Thread Richard Kuo
On Thu, Jul 19, 2018 at 05:56:33AM -0700, Christoph Hellwig wrote: > hexagon does all the required cache maintainance at dma map time, and none > at unmap time. It thus has to implement sync_single_for_device to match > the map cace for buffer reuse, but there is no point in doing another > invali